Blood sugar machine



FIG. 1 is a perspective view of a blood sugar machine showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left elevational view thereof;

FIG. 5 is a right elevational view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof; and,

FIG. 8 is a perspective view of the blood sugar machine viewed from another direction.

The broken lines illustrate portions of the blood sugar machine that form no part of the claimed design. 

CLAIM The ornamental design for a blood sugar machine, as shown and described. 